{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Global gene expression analysis reveals pathway differences between teratogenic and non - teratogenic exposure concentrations of bisphenol A and 17 beta - estradiol in embryonic zebrafish ."}
{"Chemical": ["bisphenol A", "17 beta - estradiol"]}